Calcium carbonate, secondary standard for volumetric titrations, Titrasure®. SCHARLAU

SCHARLAU
CAS: 471-34-1
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Characteristic
Volume : x 60 g

- Synonyms: Lime, Chalk, Marble
- CaCO3
- M = 100,09 g/mol
- CAS [471-34-1]
- EINECS-No.: 207-439-9
- Solub. in water: (20 ºC): 14 mg/l
- Melting point: 825 ºC (decomposes)
- LD 50 (oral, rat): 6450 mg/kg
- Tariff number: 2836 50 00 00
- Applications: painting, in the rubber industry, plasticizer, dentifrices, in porcelain industry, insecticide, in food industry, cosmetics, for pharmaceutical use.

SPECIFICATIONS
assay (on dried sample): 99,5 - 100,1 %
insoluble in diluted HCl: max. 0,01 %
chlorides (Cl): max. 0,001 %
fluorides (F): max. 0,0015 %
sulfates (SO4): max. 0,005 %
ammonium (NH4): max. 0,003 %
barium (Ba): max. 0,01 %
heavy metals (as Pb): max. 0,001 %
iron (Fe): max. 0,002 %
magnesium (Mg): max. 0,01 %
potassium (K): max. 0,01 %
sodium (Na): max. 0,01 %
strontium (Sr) : max. 0,1 %

This standard solution is traceable to Standard Reference Material from NIST.

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Technical documentation

TDS / Technical data sheet

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